A spectrum visualizer is always a fun project, but we really liked [Yannick99]’s take on it since it uses seven IN-13 Nixie tubes for the display. The tubes, of course, need high voltage so part of ...

The ESP32 Rainbow is a small computer with a built-in touch keyboard, an integrated display, and a design that’s inspired by the Sinclair ZX Spectrum, with a keyboard layout and rainbow stripe that ...

The glossy Dough Spectrum display is probably my favourite gaming monitor of today. Though that might not stand come July next year, when the company has announced it will start to ship its first OLED ...

TCL CSOT has received the world’s first SGS Quasi-Natural Light Spectrum EX certification for its Natural-Spectrum Slim Pad Display. Announced at MWC Shanghai 2025, the certification confirms the ...

We’ve been using Cisco’s Spectrum Expert product since its origins at Cognio, and have found it to be a very useful tool at a very reasonable price (around $4,000). For this test we evaluated the ...